STIGQter: STIG Summary: Mainframe Product Security Requirements Guide Version: 3 Release: 5 Benchmark Date: 01 Jul 2026:

The Mainframe Product must enforce the limit of three consecutive invalid logon attempts by a user during a 15 minute time period.

DISA Rule

SV-205455r960840_rule

Vulnerability Number

V-205455

Group Title

SRG-APP-000065

Rule Version

SRG-APP-000065-MFP-000093

Severity

CAT II

CCI(s)

• CCI-000044 - Enforce the organization-defined limit of consecutive invalid logon attempts by a user during the organization-defined time period.

Weight

10

Fix Recommendation

Configure the Mainframe Product account management settings to enforce a limit of three consecutive invalid logon attempts by a user during a 15 minute time period.

Check Contents

If the Mainframe Product has no function or capability for user logon, this is not applicable.

If the Mainframe Product employs an external security manager for all account management functions, this is not applicable.

Examine Mainframe Product configuration settings.

Verify that the Mainframe Product account management settings enforce a limit of three consecutive invalid logon attempts by a user during a 15 minute time period. If it does not, this is a finding.

Vulnerability Number

V-205455

Documentable

False

Rule Version

SRG-APP-000065-MFP-000093

Severity Override Guidance

If the Mainframe Product has no function or capability for user logon, this is not applicable.

If the Mainframe Product employs an external security manager for all account management functions, this is not applicable.

Examine Mainframe Product configuration settings.

Verify that the Mainframe Product account management settings enforce a limit of three consecutive invalid logon attempts by a user during a 15 minute time period. If it does not, this is a finding.

Check Content Reference

M

Target Key

2906